Vulnerability Details : CVE-2021-26264
A specially crafted script could cause the DeltaV Distributed Control System Controllers (All Versions) to restart and cause a denial-of-service condition.
Vulnerability category: Denial of service
Products affected by CVE-2021-26264
- cpe:2.3:a:emerson:deltav_workstation:-:*:*:*:*:*:*:*
- cpe:2.3:o:emerson:deltav_distributed_control_system:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-26264
0.03%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 5 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-26264
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.9
|
MEDIUM | AV:L/AC:L/Au:N/C:N/I:N/A:C |
3.9
|
6.9
|
NIST | |
|
6.1
|
MEDIUM | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H |
1.6
|
4.0
|
ICS-CERT | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2021-26264
-
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.Assigned by:
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2021-26264
-
https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-04
Emerson DeltaV | CISAMitigation;Third Party Advisory;US Government Resource
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